G510 Service Manual
PANTECH
R&D
CONFIDENTIAL
11
3 Key Tone Generation
All alert signals are generated by the DSP and output to the EVBC.
These alert can be used for the earpiece.
4.1.4 Notification Part
The notification of incoming call is given by melody, vibrator.
1) Melody:
This is a device sounding alert/melody tones.
The melody datas are stored in flash memory(U104) And generated by Melody IC(U105).
2) Vibrator:
This is a device enabling vibration. The vibrator data is stored in flash memory(U104)
And generated by U101.C5(GPO_23)pin.
4.1.5 Key Pad Part
To enable key operation to input information, the key matrix is configured using strobe signal of
KEYPADROW(0-4) and 5 input ports of KEYPADCOL(0-4). Also, to use the key even at light, the
backlight circuit is provided for LED 13.
4.1.6 LCD Module(Display Part)
LCD module consists of LCD , controller, LED-Backlight, and LCD reflector.using dual LCD
Main LCD: 1S/W Icon x 6 lines[(128x3)x160] can be displayed on the LCD panel. 6 icons could be
provided by S/W. Controller with English font built in has been used.
Sub LCD: 1S/W Icon x 1 lines(48x96) can be displayed on the LCD panel. 6 icons are provided.
Controller with English font built in has been used.
LED-backlight Using illuminates the LCD panel, and LCD reflector enhances LCD display effect.
4.1.7 CAMERA Module
Camera Module is activated by keypad sw27.
Taking a picture, Flash LED is provided to bright dark surroundings, and generated by
U101.B12(GPIO2)
